40178990

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{127}}^1\times {\mathrm{1861}}^1$

素因数の和:2012

約数の個数: 32

約数和(自身を含む): 77220864

約数和(自身を除く): 37041874

約数列:

[1, 2, 5, 10, 17, 34, 85, 127, 170, 254, 635, 1270, 1861, 2159, 3722, 4318, 9305, 10795, 18610, 21590, 31637, 63274, 158185, 236347, 316370, 472694, 1181735, 2363470, 4017899, 8035798, 20089495, 40178990]

約数ペア:

[(1, 40178990), (2, 20089495), (5, 8035798), (10, 4017899), (17, 2363470), (34, 1181735), (85, 472694), (127, 316370), (170, 236347), (254, 158185), (635, 63274), (1270, 31637), (1861, 21590), (2159, 18610), (3722, 10795), (4318, 9305)]